Operational for more than 60 years, RTKL Associates is a full-service planning, architecture and creative services company. It serves the health care, hospitality, retail, entertainment, residential and academic industries. The company offers architectural and sustainable design, construction administration and postoccupancy evaluation services. It specializes in programming, space planning and interior design work. RTKL Associates special systems design group is a provider of voice, data, audiovisual and security systems technology solutions. The company provides site, landscape, water feature and irrigation systems design, as well as plant, material, artwork and sculpture selection services. It has worked on various renovation, reconstruction and rehabilitation projects. The company is a wholly owned subsidiary of ARCADIS, which is a global network of business professionals that provides project management, consultancy and engineering services. RTKL Associates maintains a presence in Los Angeles.